Exoplanet

HD 28254 b

Orbiting HD 28254

Overview

HD 28254 b is an exoplanet orbiting the star HD 28254, discovered in 2010 using the Radial Velocity method.

Key Measurements

Mass

1207.75

Earth masses

0500 M⊕

Orbital Period

1333.0

days

0.1d10,000d

Distance

55.3

parsecs

Nearby10,000 pc

Radius (Earth radii)

Unknown

Mass (Earth masses)

1207.75

Measured

Equilibrium Temperature

Unknown

Parameter source: Philipot et al. 2023

Orbital Period

1333.000+4.0004.000days

Semi-Major Axis

2.4500+0.03000.0400au

Planet Mass (Earth masses)

1207.75+953.49699.22

Planet Mass (Jupiter masses)

3.8000+3.00002.2000

Eccentricity

0.9500+0.03000.0400

Epoch of Periastron

2454246.00+9.0010.00days(BJD)

Argument of Periastron

289.0+20.018.0deg

Distance from Earth

55.3 pc (~180 ly)

Spectral Type

G5 V

Temperature

Unknown

Mass (Solar)

1.10 M☉

Radius (Solar)

Unknown

Luminosity

Unknown

Planets in System

1

Stars in System

2

Coordinates (RA, Dec)

66.2108°, -50.6228°

Discovery Method

Radial Velocity

Discovery Year

2010

Data Sources

Source ID: HD 28254 b

System Context

HD 28254 b orbits HD 28254 and was reported in 2010 and was detected with the Radial Velocity method.

Published measurements list a mass of 1,207.75 Earth masses and an orbital period of 1,333 days.

Catalog data places the system at about 55.3 parsecs from Earth, a host star classified as G5 V, and 1 known planet in the system.

Host star

Explore the stellar record for this system to compare temperature, spectral type, and known planets.

Open HD 28254